package day06;

public class Person {
    
    private String name;

    private int age;

    public Person(){

    };

    public Person(String name,int age){
        this.name = name;
        this.age = age;
    }

    public Person(String name){
        this(name,18);
    }

    public void show(){
        System.out.println(name + "已经" + age + "岁了");
    }
    
}
